<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>定位轮番图</title>

    <link rel="stylesheet" href="css/北大青鸟课程导航.css">

    <style>

      .number li{
          display: inline-block;
          background-color: #666666;
          width: 20px;
          height: 20px;
          border-radius: 13px;
          text-align: center;
          line-height: 20px;
          color: white;
          cursor: pointer;  /*鼠标放到数字背景是小手状*/
          margin-right: 8px}
         .number li:hover{background: crimson} /*每一个li点击的背景颜色*/





         .img{position: relative}
         .number{position: relative;right: -449px;top: -32px;}
         .number li:nth-of-type(5){background: red} /*  设置第一眼看到的颜色

*/
    </style>

</head>
<body>

<div class="box">
  <ul>
      <li class="img">
          <a href="#"> <img src="img/轮番图20181011152222.jpg" width="769" height="326"></a>
      </li>
  </ul>
<ul class="number">

    <li>1</li>
    <li>2</li>
    <li>3</li>
    <li>4</li>
    <li >5</li>





</ul>



</div>

</body>
</html>